/* 全局 CSS 文件 */
body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Lexend';
  font-style: normal;
  font-size: 16px;
}
* {
  margin: 0;
  padding: 0;
}
ul,ol{
  list-style: none;
}
i{
  font-style: normal;
}
a{
  color: var(--text-color);
  text-decoration: none;
  cursor: pointer;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.theme_dark{
  display: none;
}
.theme_light{
  display: block;
}
/* 字体样式 */
.txt-4001416{
  font-weight: 400;
  font-size: 14px;
  line-height: 16px;
}
.txt-4001418{
  font-weight: 400;
  font-size: 14px;
  line-height: 18px;
}
.txt-4001516{
  font-weight: 400;
  font-size: 15px;
  line-height: 16px;
}
.txt-4001520{
  font-weight: 400;
  font-size: 15px;
  line-height: 20px;
}
.txt-4001524{
  font-weight: 400;
  font-size: 15px;
  line-height: 24px;
}
.txt-4001616{
  font-weight: 400;
  font-size: 16px;
  line-height: 16px;
}
.txt-4001620{
  font-weight: 400;
  font-size: 16px;
  line-height: 20px;
}
.txt-4001624{
  font-weight: 400;
  font-size: 16px;
  line-height: 24px;
}
.txt-4001630{
  font-weight: 400;
  font-size: 16px;
  line-height: 30px;
}
.txt-4001822{
  font-weight: 400;
  font-size: 18px;
  line-height: 22px;
}
.txt-4001824{
  font-weight: 400;
  font-size: 18px;
  line-height: 24px;
}
.txt-4001830{
  font-weight: 400;
  font-size: 18px;
  line-height: 30px;
}
.txt-4002025{
  font-weight: 400;
  font-size: 20px;
  line-height: 25px;
}
.txt-4003645{
  font-weight: 400;
  font-size: 36px;
  line-height: 45px;
}
.txt-5001616{
  font-weight: 500;
  font-size: 16px;
  line-height: 16px;
}
.txt-5001624{
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
}
.txt-5001528{
  font-weight: 500;
  font-size: 15px;
  line-height: 28px;
}
.txt-5001628{
  font-weight: 500;
  font-size: 16px;
  line-height: 28px;
}
.txt-5001822{
  font-weight: 500;
  font-size: 18px;
  line-height: 22px;
}
.txt-5002016{
  font-weight: 500;
  font-size: 20px;
  line-height: 16px;
}
.txt-5002024{
  font-weight: 500;
  font-size: 20px;
  line-height: 24px;
}
.txt-5002025{
  font-weight: 500;
  font-size: 20px;
  line-height: 25px;
}
.txt-5002228{
  font-weight: 500;
  font-size: 22px;
  line-height: 28px;
}
.txt-5002835{
  font-weight: 500;
  font-size: 28px;
  line-height: 35px;
}
.txt-5002430{
  font-weight: 500;
  font-size: 24px;
  line-height: 30px;
}
.txt-5003636{
  font-weight: 500;
  font-size: 36px;
  line-height: 36px;
}
.txt-5003645{
  font-weight: 500;
  font-size: 36px;
  line-height: 45px;
}
.txt-5004455{
  font-weight: 500;
  font-size: 44px;
  line-height: 55px;
}
.txt-6002025{
  font-weight: 600;
  font-size: 20px;
  line-height: 25px;
}
.txt-6002430{
  font-weight: 600;
  font-size: 24px;
  line-height: 30px;
}
.txt-6002835{
  font-weight: 600;
  font-size: 28px;
  line-height: 35px;
}
.txt-6003645{
  font-weight: 600;
  font-size: 36px;
  line-height: 45px;
}
.txt-6003652{
  font-weight: 600;
  font-size: 36px;
  line-height: 52px;
}
.txt-6005670{
  font-weight: 600;
  font-size: 56px;
  line-height: 70px;
}
.txt-6007290{
  font-weight: 600;
  font-size: 72px;
  line-height: 90px;
}
.txt-7002027{
  font-weight: 700;
  font-size: 20px;
  line-height: 27px;
}
.txt-7003240{
  font-weight: 700;
  font-size: 32px;
  line-height: 40px;
}
.txt-7003645{
  font-weight: 700;
  font-size: 36px;
  line-height: 45px;
}
/* button样式 */
.btn{
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  outline: none;
  position: relative;
  display: inline-block;
  white-space: nowrap;
  text-align: center;
  transition: all .2s cubic-bezier(.645,.045,.355,1);
  user-select: none;
  touch-action: manipulation;
  width: 100%;
  font-size: 16px;
  line-height: 18px;
}
.btn-primary{
  background-color: var(--txt-theme-color);
  color: #fff;
}
.btn-primary:hover{
  background-color: var(--btn-hover-color);
}
.btn-green{
  color: var(--txt-theme-color);
  border-color: var(--txt-theme-color);
  background-color: transparent;
}
.btn-green:hover{
  color: #fff;
  border-color: var(--txt-theme-color);
  background-color: var(--txt-theme-color);
}
.btn-wwg{
  color: #fff;
  border-color: #fff;
  background-color: var(--txt-theme-color);
}
.btn-default{
  color: var(--txt-gray-color);
  border-color: var(--border-color);
  background-color: transparent;
}
.btn-default:hover{
  color: var(--txt-theme-color);
  border-color: var(--txt-theme-color);
}
.btn-gw{
  color: var(--txt-theme-color);
  background-color: #fff;
}
/* input样式 */
.input{
  box-sizing: border-box;
  padding: 9px 13px;
  height: 44px;
  color: var(--text-color);
  background-color: var(--bg-fa-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all 0.2s;
  font-size: 15px;
}
.input::placeholder{
  color: var(--txt-gray-color) !important;
  opacity: .5;
}
.input:focus {
  outline:none;
  border: 1px solid var(--txt-theme-color);
}
.textarea{
  box-sizing: border-box;
  padding: 9px 13px;
  color: var(--text-color);
  background-color: var(--bg-fa-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all 0.2s;
  font-size: 15px;
}
.textarea::placeholder{
  color: var(--txt-gray-color) !important;
  opacity: .5;
}
.textarea:focus {
  outline:none;
  border: 1px solid var(--txt-theme-color);
}
.search-form{
  position: relative;
}
.search-input{
  box-sizing: border-box;
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 9px 13px 9px 38px;
  width: 240px;
  height: 40px;
  color: var(--text-color);
  background-color: var(--choose-bg-hover-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.2s;
  font-size: 15px;
}
.search-input::placeholder{
  color: var(--txt-gray-color) !important;
  opacity: .5;
}
.search-input:focus {
  outline:none;
  border: 1px solid var(--txt-theme-color);
}
.search-icon{
  display: inline-block;
  background: url(../img/search-icon.svg) no-repeat;
  width: 20px;
  height: 20px;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 2;
}
.from-ul{
  width: 543px;
}
.from-ul-item{
  display: flex;
  flex-direction: column;
}
.from-ul-tags{
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 400;
  font-size: 14px;
  line-height: 16px;
  color: var(--txt-gray-color);
}
.input-txt{
  padding: 10px 16px;
  background: var(--bg-fa-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
.input-textArea{
  padding: 10px 16px;
  height: 120px;
  background: var(--bg-fa-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}
/* flex样式 */
.flex-cc{
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-sc{
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
/* grid样式 */
.grid-4{
  display: grid !important;
  grid-template-columns: 480px 266px 266px 266px;
}
/* padding样式 */
.pl-26{
  padding-left: 26px;
}
/* margin样式 */
.mb-4{
  margin-bottom: 4px;
}
.mb-8{
  margin-bottom: 8px;
}
.mb-12{
  margin-bottom: 12px;
}
.mb-16{
  margin-bottom: 16px;
}
.mb-24{
  margin-bottom: 24px;
}
.mb-32{
  margin-bottom: 32px;
}
.mb-36{
  margin-bottom: 36px;
}
.mb-40{
  margin-bottom: 40px;
}
.mb-48{
  margin-bottom: 48px;
}
.mb-56{
  margin-bottom: 56px;
}
.mb-64{
  margin-bottom: 64px;
}
.mb-80{
  margin-bottom: 80px;
}
.mr-12{
  margin-right: 12px;
}
.mr-16{
  margin-right: 16px;
}
.mr-20{
  margin-right: 20px;
}
.mr-24{
  margin-right: 24px;
}
.mr-48{
  margin-right: 48px;
}
.mt-16{
  margin-top: 16px;
}
.mt-40{
  margin-top: 40px;
}
.mt-80{
  margin-top: 80px;
}
/* header布局 */
.head{
  position: relative;
  background-color: var(--bg-color);
}
.head-con{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
/* 导航栏样式 */
.nav{
  display: block;
  background-color: transparent;
  width: 100%;
  position: relative;
  z-index: 999;
  height: 80px;
  position: fixed;
  top: 0;
}
.nav-layout{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-white {
  background-color: var(--pop-bg-color);
  box-shadow: 0px 4px 9px var(--box-shadow-color);
}
.topics{
  position: relative;
  width: 100%;
}
.topics-con{
  padding-top: 200px;
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
}
.topics-layout{
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.topics-tit,.topics-btn{
  opacity: 0;
  transform: translateY(100px);
  animation: fadeSlideIn1 0.7s ease-in-out forwards; /* 应用动画效果 */
}
.topics-h4{
  width: 680px;
  color: var(--txt-gray-color);
  text-align: center;
  opacity: 0;
  transform: translateY(100px);
  animation: fadeSlideIn1 0.7s ease-in-out forwards; /* 应用动画效果 */
}
/* 定义动画 */
@keyframes fadeSlideIn1 {
  from {
    opacity: 0;
    transform: translateY(100px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.topics-h1-green{
  color: var(--txt-theme-color);
  position: relative;
  text-align: center;
}
.topics-h1{
  color: var(--text-color);
  text-align: center;
}
.topics-btn{
  margin-bottom: 64px;
}
.topics-tit-en{
  width: 896px;
  text-align: center;
}
.topics-h4-en{
  width: 660px;
  text-align: center;
}
.arcs{
  display: inline-block;
  position: absolute;
  width: 95%;
  height: 25px;
  left: 0;
  top: 83px;
}
.home-pic{
  display: block;
  width: 100%;
  max-width: 1280px;
  /* height: 580px; */
}
/* 抽屉菜单 */
.menuBtn{
  display: none;
  cursor: pointer;
}
.drawer {
  position: fixed;
  top: 0;
  left: -90vw;
  width: 75vw;
  height: 100%;
  padding: 22px 24px;
  background-color: var(--pop-bg-color);
  border: 1px solid var(--box-shadow-color);
  box-shadow: var(--pop-box-shadow);
  transition: all 0.5s ease-in-out;
  z-index: 999;
}
.drawer-t{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.close-drawer{
  display: inline-block;
  margin-bottom: 10px;
  cursor: pointer;
  color: var(--txt-gray-color);
  font-size: 20px;
}
.open-drawer {
  left: 0;
}
.drawer-item-t{
  border-bottom: 1px solid var(--border-color);
}
.drawer .drawer-item{
  cursor: pointer;
  position: relative;
}
.drawer .drawer-item>a{
  padding: 16px;
  display: inline-block;
  width: calc(100% - 36px);
}
.drawer .drawer-item>i{
  padding: 16px;
  display: flex;
  width: calc(100% - 36px);
}
.drawer .drawer-active .drawer-item{
  padding: 0 36px;
}
.drawer .drawer-item .txt{
  color: var(--txt-gray-color);
}
.drawer .drawer-item:hover{
  background-color: var(--bg-hover-color);
  border-radius: 4px;
}
.drawer .drawer-item:hover .txt{
  color: var(--text-color);
}
.logo{
  display: flex;
  align-items: center;
}
.dootask{
  margin-left: 16px;
  color: var(--text-color);
}
.nav-ul{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 545px;
}
.nav-ul-item{
  display: inline-block;
  position: relative;
}
.nav-vector{
  margin-left: 5px;
}
.nav-ul-item .txt{
  padding: 7px 8px;
  color: var(--txt-gray-color);
}
.nav-ul-item .txt:hover{
  background-color: var(--bg-hover-color);
  border-radius: 6px;
  color: var(--text-color);
}
.nav-ul-item .support-active{
  background-color: var(--bg-hover-color);
  border-radius: 6px;
  color: var(--text-color);
}
.submenu-pop{
  position: absolute;
  top: 40px;
  left: -38px;
  display: none;
  background-color: var(--pop-bg-color);
  border: 1px solid var(--box-shadow-color);
  box-shadow: var(--pop-box-shadow);
  border-radius: 4px;
  padding: 8px 0;
  z-index: 99;
  width: 150px;
  text-align: start;
}
.submenu-pop .submenu-pop-item{
  cursor: pointer;
}
.submenu-pop .submenu-pop-item .txt-sub{
  display: inline-block;
  padding: 9px 16px;
  color: var(--txt-gray-color);
}
.submenu-pop .submenu-pop-item:hover{
  background-color: var(--bg-hover-color);
}
.submenu-pop .submenu-pop-item:hover .txt-sub{
  color: var(--text-color);
}
.nav-r{
  width: 355px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.nav-support{
  display: flex;
  align-items: center;
  cursor: pointer;
}
.line-1{
  height: 24px;
  border: 1px solid var(--border-color);
}
.nav-r a{
  font-style: normal;
  font-weight: 400;
  font-size: 16px;
  line-height: 20px;
  color: var(--txt-gray-color);
}
.nav-r-icon{
  height: 20px;
  cursor: pointer;
}
.lang{
  display: inline-block;
  height: 20px;
  cursor: pointer;
}
.lang-pop{
  position: absolute;
  top: 40px;
  left: -38px;
  display: none;
  background-color: var(--pop-bg-color);
  border: 1px solid var(--box-shadow-color);
  box-shadow: var(--pop-box-shadow);
  border-radius: 4px;
  padding: 8px 0;
  z-index: 99;
  text-align: start;
}
.lang-pop .show{
  display: inline-block;
}
.lang-pop .lang-pop-item{
  padding: 9px 16px;
  cursor: pointer;
}
.lang-pop .lang-pop-item .lang-txt{
  font-weight: 400;
  font-size: 14px;
  line-height: 18px;
  color: var(--txt-gray-color);
  display: inline-block;
}
.lang-pop .lang-pop-item:hover{
  background-color: var(--bg-hover-color);
}
.lang-pop .lang-pop-item:hover .lang-txt{
  color: var(--text-color);
}
.get-started{
  display: inline-block;
}
.login-btn{
  width: 84px;
  display: inline-block;
}
/* 底部样式 */
footer{
  width: 100%;
  z-index: 2;
  position: relative;
}
.footer-con{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
.footer-layut{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-top: 46px;
  border-bottom: var(--border-color) solid 1px;
}
#qq_group{
  position: relative;
  width: 164px;
}
#qq_group:hover .group_code{
  display: flex;
}
.group_code{
  display: none;
  position: absolute;
  bottom: 25px;
  left: -35px;
  background-color: var(--code-bg-color);
  padding: 12px;
  border-radius: 4px;
  justify-content: center;
  flex-direction: column;
}
.group_num{
  display: inline-block;
  color: #fff;
  font-weight: 400;
  font-size: 14px;
  line-height: 16px;
  margin-top: 10px;
}
.lower_triangle{
  position: absolute;
  bottom: -4px;
  left: 70px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 4px solid var(--code-bg-color);
}
.footer-l{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 405px;
}
.footer-l .logo{
  height: 36px;
  display: flex;
  align-items: center;
  margin-bottom: 24px;
}
.footer-l .txt{
  color: var(--txt-gray-color);
}
.footer-r{
  width: 625px;
}
.footer-r-ul{
  display: flex;
  justify-content: space-between;
  padding-bottom: 48px;
}
.footer-ol-item{
  cursor: pointer;
}
.footer-ol-item .txt{
  color: var(--txt-gray-color);
}
.footer-ol-item .code-svg{
  display: block;
  height: 125px;
}
.filings{
  text-align: center;
  color: var(--txt-gray-color);
  padding: 24px 0;
}
.footer-t{
  position: relative;
  padding: 120px 0;
}
.footer-t-con{
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
.footer-t-layout{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-t-l{
  width: 657px;
}
.footer-t-h1{
  font-weight: 500;
  font-size: 44px;
  line-height: 55px;
  color: var(--text-color);
}
.footer-t-h6{
  font-weight: 400;
  font-size: 18px;
  line-height: 30px;
  color: var(--txt-gray-color);
}
.footer-t-contact{
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.footer-t-contact-icon{
  display: inline-block;
  width: 24px;
  height: 24px;
}
.footer-t-contact-h6{
  font-weight: 400;
  font-size: 16px;
  line-height: 24px;
  color: var(--text-color);
}
/* 序号公共样式 */
.serial-number{
  color: var(--txt-theme-color);
}
.choose-con-item-h5{
  color: var(--text-color);
}
.choose-con-item-h6{
  color: var(--txt-gray-color);
}
.support .support-item{
  padding-bottom: 8px;
}
.support .support-item .txt{
  font-family: 'Lexend';
  font-style: normal;
  font-weight: 400;
  font-size: 16px;
  line-height: 24px;
  color: var(--txt-gray-color);
}
.support .support-item:first-of-type{
  padding-bottom: 16px;
}
.support .support-item:first-of-type .txt{
  color: var(--text-color);
  font-weight: 500;
}
.group .group-item{
  padding-bottom: 24px;
}
.group .group-item .txt{
  color: var(--text-color);
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
}
.group .group-item .logo{
  display: block;
  height: auto;
}
/* 动画 style="--delay: 0s;" */
.about-animate-box,.solutions-animate-box,.home-animate-box,.dow-animate-box{
  opacity: 0;
  transform: translateY(30%);
}
.about-animate-box.animate,.price-animate-box.animate,.solutions-animate-box.animate,.home-animate-box.animate,.dow-animate-box.animate {
  animation: fadeIn 0.7s cubic-bezier(0.61, -0.01, 0.57, 0.96) forwards var(--delay); /* 应用动画效果 */
}
/* 定义动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(30%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
#arc {
  animation: arcsFadeIn 2s ease-in-out;
}
.arc-animate {
  animation: arcsFadeIn 2s ease-in-out;
}
@keyframes arcsFadeIn {
  from {
    stroke-dashoffset: 600;
  }
  to {
    stroke-dashoffset: 0;
  }
}
.start_a{
    width: 100%;
}
.hide{
    display: none;
}